On 13/04/2017 11:29, Niall Douglas via Boost wrote:
>> Irrespective of the merits of the various licences, I would remind
>> everyone that it took us the better part of 2 years last time we changed
>> licences... and Boost has grown immeasurably larger since then. I am
>> emphatically not going to take on that task again, if someone else wants
>> to volunteer, I can only wish them good luck - they will most certainly
>> need it!
> New libraries can be licensed under improved licences so long as they
> are compatible with the Boost licence and meet the licence requirements
> at http://www.boost.org/development/requirements.html.

That's only sort of true - if those libraries have dependencies then
users are now left having to understand *both* the "new" and the "old"
licence, which is hardly an improvement. On the other hand if they have
no dependencies, then there is nothing to prevent you from dual licensing.